angular-cn/packages/zone.js/lib/extra/socket-io.ts

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/**
* @license
* Copyright Google Inc. All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
Zone.__load_patch('socketio', (global: any, Zone: ZoneType, api: _ZonePrivate) => {
(Zone as any)[Zone.__symbol__('socketio')] = function patchSocketIO(io: any) {
// patch io.Socket.prototype event listener related method
api.patchEventTarget(global, [io.Socket.prototype], {
useG: false,
chkDup: false,
rt: true,
diff: (task: any, delegate: any) => {
return task.callback === delegate;
}
});
// also patch io.Socket.prototype.on/off/removeListener/removeAllListeners
io.Socket.prototype.on = io.Socket.prototype.addEventListener;
io.Socket.prototype.off = io.Socket.prototype.removeListener =
io.Socket.prototype.removeAllListeners = io.Socket.prototype.removeEventListener;
};
});